Lines Matching +full:use +full:- +full:guard +full:- +full:pages

1 /* SPDX-License-Identifier: GPL-2.0-only */
5  * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
50 	FIX_KMAP_END,  /*  check for per-cpuism  */
64 /* Gap between physical ram and vmalloc space for guard purposes. */
77 #define FIXADDR_START   (FIXADDR_TOP - FIXADDR_SIZE)
80  * "permanent kernel mappings", defined as long-lasting mappings of
81  * high-memory page frames into the kernel address space.
85 #define LAST_PKMAP_MASK	(LAST_PKMAP - 1)
86 #define PKMAP_NR(virt)	((virt - PKMAP_BASE) >> PAGE_SHIFT)
94  * Need to check the alignment/shift usage; some archs use
97 #define PKMAP_BASE (FIXADDR_START-PAGE_SIZE*LAST_PKMAP)
100  * 2 pages of guard gap between where vmalloc area ends
103 #define VMALLOC_END (PKMAP_BASE-PAGE_SIZE*2)